« previous next »

Author Question: Suppose you are provided with an actively dividing culture of E. coli bacteria t (Read 746 times)

camila

  • Hero Member
  • *****
  • Posts: 705
on: Jun 23, 2013
Suppose you are provided with an actively dividing culture of E. coli bacteria to which radioactive thymine has been added. What would happen if a cell replicates once in the presence of this radioactive base?
A) One of the daughter cells, but not the other, would have radioactive DNA.
B) Neither of the two daughter cells would be radioactive.
C) All four bases of the DNA would be radioactive.
D) Radioactive thymine would pair with nonradioactive guanine.
E) DNA in both daughter cells would be radioactive.


formula1

  • Hero Member
  • *****
  • Posts: 666
Reply #1 on: Jun 24, 2013
We did this yesterday, it's E.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

camila

  • Hero Member
  • *****
  • Posts: 705
Reply #2 on: Jul 1, 2013
GOLD :D Thanks so much!!


« previous next »
 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Bacteria exchange DNA by several processes Bacteria exchange DNA by several processes
A plaque is a clear area in which all bacteria have been lysed by phages A plaque is a clear area in which all bacteria have been lysed by phages
Firing Rate of Individual SCN Neurons in a Tissue Culture Color bars have been added to emphasize th Firing Rate of Individual SCN Neurons in a Tissue Culture Color bars have been added to emphasize th
Petri dish containing fecal bacteria cultures. Petri dish containing fecal bacteria cultures.
Suppose the market supply curve is p = 5Q. If price increases from 10 to 15, the change in ... Suppose the market supply curve is p = 5Q. If price increases from 10 to 15, the change in ...
Escherichia coli RNA Polymerase Sigma Subunits Escherichia coli RNA Polymerase Sigma Subunits
Video: Introduction to Genetics

For a complete list of videos, visit our video library